Resistive temperature sensors

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Chapter 6 
•
Sensor mecanism 
o
Resistive sensor 
▪
Resistive temperature sensors 
▪
Resistive strain gauges 
▪
Photoconductors 
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Conductive relative humidity sensors 
▪
Direct resistance change used to sense position or angle 
▪
Sensors based on the giant magnetoresistve effect 
▪
Antisotropic Magnetoresistance 
o
Voltage generating sensor 
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Themocouples and Thermopiles 
▪
Photovoltaic Cells 
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Piezoelectric Transducers 
▪
Pyroelectric sensors 
o
Sensors whose voltage output is porportional to dflux/dt 
▪
Variable reluctance phonograph pickupp 
▪
Electrodynamic Accelerometer 
▪
Linear Velocity Sensors 
o
Sensors whose output EMF depends on the interaction 
▪
Faraday Effect Flowmeters 
▪
Hall effect sensors 
o
Sensor based on variable magnetic coupling 
▪
LVDT 
▪
Synchros and Resolvers 
o
Variable capasitance sensor 
•
Fiber optic sensors 
o
Magneto optic current sensors 
o
Means of Measuring the optical rotation of the linearly polarized light output of 
certain optical sensors 
o
Fiber optic mechanosensors 
•
Photomultiplier tubes and realted photoelectron multiplication devices 
o
Operation PMTS 
o
Single channel photomultiplier 
o
Microchannel plater photomultiplier 
•
Ionizing radiation sensors 
o
Geiger-Muller Tubes 
o
Solis-state, crystal radiation sensors 
o
Scintillation counters 
•
Eectrochemical sensors 
o
PH and ion specific electrodes 
o
Polarographic electrodes 
o
Fuel cell electrodes 

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•
Mechano optical sensors 
o
Optical Coding Disks 
o
Sagnac Effect Sensing of Angular Velocitiy 
o
Laser Doppler Velocimetry 
Chapter 10 
•
Digital Filters and the z-transform 
•
Some dimple DSP algorithms 
•
Discrete and fast fourier transform and their apllications 
o
Use of Data windows to improve spectral Resolution 
o
Use of the DFT to characterize random signals and noise 
o
Fast Fourier Transform 
•
Digital routines for interpolating Discrete Data 
o
Estimating Missing Data at the Sampling Instants 
Chapter 3 
•
Parameters for performance specification 
o
Perfect measurement device 
•
Time domain Specifications 
o
Rise time 
o
Delay time 
o
Peak time 
o
Setlling time 
o
Percentage overshoot 
o
Steady state error 
o
Simple oscillator model 
o
Stability and speed of response 
•
Frequency Domain Specifications 
o
Gain Margin and phase margin 
o
Simple oscillator model 
•
Linearity 
o
Saturation 
o
Dead zone 
o
Hysteresis 
o
The jump phenomenon 
o
Limit cycles 
o
Frequency creation 
•
Instrument Ratins 
o
Rating parameters 
•
Bandwidth Design 
o
Bandwidth 
▪
Transsmision level of a band pass filter 
▪
Effective noise bandwidth 

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▪
Hall power or 3ds bandwidth 
▪
Useful frequency range 
▪
Instrument bandwidth 
▪
Control bandwidth 
o
Static Gain 
•
Aliasing Distortion due to Signal Sampling 
o
Sampling theorem 
o
Antiliasing filter 
o
Another illustration of aliasing 
•
Bandwidth Design of a Control System 
o
Comment about control cycle time 
•
Instrument Error Analysis 
o
Statistical Representations 
o
Accuracy and Precision 
o
Error Combination 
▪
Absolute Error 
▪
SRRS Error 
•
Statistical Process Control 
o
Control limits or Action Lines 
o
Steps of SPC 

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